diff --git a/generator/world_roads_builder/world_roads_builder_tool/world_roads_builder_tool.cpp b/generator/world_roads_builder/world_roads_builder_tool/world_roads_builder_tool.cpp
index c6ecbabd795..69b85c63656 100644
--- a/generator/world_roads_builder/world_roads_builder_tool/world_roads_builder_tool.cpp
+++ b/generator/world_roads_builder/world_roads_builder_tool/world_roads_builder_tool.cpp
@@ -47,6 +47,7 @@ int main(int argc, char ** argv)
   feature::CountriesFilesAffiliation mwmMatcher(GetPlatform().ResourcesDir(),
                                                 false /* haveBordersForWholeWorld */);
 
+  // These types are used in maps_generator (maps_generator/genrator/steps.py in filter_roads function).
   std::vector<std::string> const highwayTypes{"motorway", "trunk", "primary", "secondary",
                                               "tertiary"};
 
diff --git a/tools/python/maps_generator/generator/steps.py b/tools/python/maps_generator/generator/steps.py
index ceb27a79d2a..e58cccc25f7 100644
--- a/tools/python/maps_generator/generator/steps.py
+++ b/tools/python/maps_generator/generator/steps.py
@@ -216,7 +216,7 @@ def filter_roads(
         output=output,
         error=error,
         keep="",
-        keep_ways="highway=*",
+        keep_ways="highway=motorway =trunk =primary =secondary =tertiary",
     )